Submission #401158

#	Time	Username	Problem	Language	Result	Execution time	Memory
401158		victoriad	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	29 ms	3104 KiB

shoes

#include "shoes.h"

long long count_swaps(std::vector<int> s) {
	long long int x=0;
	for(int i=1;i<s.size()/2;i++){
		x+=i;
	}
	return x;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:5:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 |  for(int i=1;i<s.size()/2;i++){
      |              ~^~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15